the word 'statistician' is a modern formation built upon the noun 'statistics'. the term 'statistics' itself originates from the modern latin 'statisticus', meaning 'of state affairs', which is derived from the italian 'statista' (statesman) and ultimately from the latin 'status' (state, condition). the suffix '-ian', of latin origin, is a common agent-noun suffix in english denoting a person associated with a particular field. therefore, a statistician is literally 'a person concerned with statistics', evolving from a field originally tied to data about the state to the modern science of collecting and analyzing numerical data in any domain.

Structure: statistic (statistics) + ian (person specializing in) - statistic: from modern latin 'statisticus', relating to state affairs, and italian 'statista', meaning statesman. in this word, it functions as the base denoting the field of statistics. - ian: a suffix of latin origin via french, used to form nouns meaning 'a person who specializes in or is concerned with' something.